#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>

int main() {
	char buffer[999];
	char voting[99][10];
	char names[99][50];
	int count = 0;
	while(fgets(buffer, sizeof(buffer), stdin) != NULL) {
		char current_votes[10] = "";
		char current_name[50] = "";
		sscanf(buffer, "%s %[^\n]", current_votes, current_name);
		int is_contained = 0;
		for (int i=0; i<count; i++) {
			if (strcmp(names[i], current_name) == 0) {
				sprintf(voting[i], "%d", atoi(voting[i]) + atoi(current_votes));
				is_contained = 1;
				break;
			}/*
			else {
				strcpy(names[count], current_name);
				strcpy(voting[count], current_votes);
				count++;
				
			}*/
		}
		if (!is_contained) {
			 strcpy(names[count], current_name);
                         strcpy(voting[count], current_votes);
                         count++;
		}

	}
	if (count == 0) {
		return 1;
	}
	//printf("%s %s\n", voting[0], names[0]);
	
	return 0;
}