@@ -0,0 +1,16 @@
+#include<bits/stdc++.h>
+using namespace std;
+int First(long long n){
+ while(n>=10)n/=10;
+ return n;
+}
+int main() {
+ int T;
+ cin >> T;
+ while (T--) {
+ long long n;
+ cin >> n;
+ cout << First(n) << endl;
+ }
+ return 0;
