s

#include <stdio.h>
#include <string.h>
char result[100010] = {0};
char buffer[100010] = {0};
int main(){
    int pos;
    scanf("%s",result);
    while(~scanf("%s%d",buffer,&pos)){
        result[pos] = 0;
        strcat(result + pos,buffer);
    }
    puts(result);
    return 0;
}