#include <stdio.h>

int main() {
    double v[10000];
    int n = 0;

    while (scanf("%lf", &v[n]) != EOF) {
        n++;
    }

    int count = 0;

    for (int i = 1; i < n - 1; i++) {

        double up = v[i] - v[i - 1];
        double down = v[i] - v[i + 1];

        if (up >= 0.01 && down >= 0.01) {

            double time = 22.7 + i * 0.1;

            count++;
            printf("ピーク%d： 時刻 = %.2f s, 電位 = %.2f V\n",
                   count, time, v[i]);
        }
    }

    return 0;
}