#include <stdio.h>

int main () {
  int t = 0;
  long long n = 0LL;
  int x = 0;
  
  int res = 0;
  
  long long dp[262144] = {};
  long long pow10[19] = {};
  
  pow10[0] = 1LL;
  for (int i = 0; i < 18; i++) {
    pow10[i+1] = pow10[i]*10LL;
  }
  
  res = scanf("%d", &t);
  while (t > 0) {
    long long ans = 0LL;
    int d = 0;
    long long tmp = 0LL;
    res = scanf("%lld", &n);
    res = scanf("%d", &x);
    tmp = n;
    while (tmp > 0LL) {
      tmp /= 10LL;
      d++;
    }
    for (int i = 0; i <= d; i++) {
      for (int j = 0; j <= d; j++) {
        for (int k = 0; k < (1<<18); k++) {
        }
      }
    }
    printf("%lld\n", ans);
    t--;
  }
  
  return 0;
}