#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;
}

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