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@@ -0,0 +1,32 @@
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+import java.util.Arrays;
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+import java.util.Scanner;
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+
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+public class B1 {
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+ final static int N = 1977;
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+
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+ public static void main(String[] args) {
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+ double length = 0;
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+ for (int i = 2; i <= N; i++) {
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+ length += Math.log10(i);
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+ }
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+ int size = (int) length + 1;
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+ System.out.println(size);
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+ int[] a = new int[size];
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+ a[size - 1] = 1;
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+ for (int n = 2; n <= N; n++) {
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+
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+ int sc = 0;
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+ for (int i = size - 1; i >= 0; i--) {
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+ a[i] *= n;
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+ a[i] += sc;
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+ sc = a[i] / 10;
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+ a[i] %= 10;
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+ }
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+ }
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+ for (int i = 0; i < size; i++) System.out.print(a[i]);
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+ System.out.println();
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+ cin.close();
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+ }
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+
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+ static Scanner cin = new Scanner(System.in);
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+}
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