#include <stdio.h>

int main(void) 
{
	int i;double t,v;
	double maxv=2;
	double maxt=0;
	
while (scanf("%lf,%lf", &t, &v) == 2) {
    if (maxv <= v) {
        maxv = v;
        maxt = t;
    }
}
	printf("最大値：%lf\n時刻：%lf",maxv,maxt);
	
}