#include <bits/stdc++.h>
int main() {
  int N;
  int L, i;
  int j, k;
  int a = 0;
  char c[40][100];
  int length;
  int flag;
  int A[100];
  for (;;) {
    scanf("%d\n", &N);
    if (N == 0) break;
    for (j = 0; j < 40; j++) {
      for (k = 0; k < 100; k++) c[j][k] = '\0';
    }
    for (i = 0; i < N; i++) scanf("%s\n", c[i]);
    for (L = 0; L < N; L++) {
      length = 5;
      i = L;
      flag = 0;
      while (length > 0) {
        length = length - strlen(c[i]);
        i++;
      }
      if (length == 0) flag = 1;
      if (flag == 1) {
        length = 7;
        while (length > 0) {
          length = length - strlen(c[i]);
          i++;
        }
        if (length == 0) flag = 2;
      }
      if (flag == 2) {
        length = 5;
        while (length > 0) {
          length = length - strlen(c[i]);
          i++;
        }
        if (length == 0) flag = 3;
      }
      if (flag == 3) {
        length = 7;
        while (length > 0) {
          length = length - strlen(c[i]);
          i++;
        }
        if (length == 0) flag = 4;
      }
      if (flag == 4) {
        length = 7;
        while (length > 0) {
          length = length - strlen(c[i]);
          i++;
        }
        if (length == 0) flag = 5;
      }
      if (flag == 5) {
        A[a] = L + 1;
        a++;
        break;
      }
    }
  }
  for (i = 0; i < a; i++) printf("%d %d\n", i, A[i]);
  return 0;
}
