#include <stdio.h>
main (int argc, char **argv) {
  int colstr[100];
  float a[100], x[100], t[100];
  int i,j,k;
  int n = 100;
  
  for (i=0; i<n; i++) {
    scanf("%f %f %d\n", &a[i], &x[i], &colstr[i]);
  }

  for (i=0; i<n; i++) {
    t[i] = 0.0;
  }

  for (j=0; j<n; j++) {                                                      
    for (k = colstr[j]; k<colstr[j+1]-1; k++) 
      t[k] = t[k] + a[k] * x[j];
  }
}