#include <stdio.h>

#define N 1024

int main() {
    double t[N], v[N];
    int n = 0;

    // 読み込み
    while (n < N && scanf("%lf %lf", &t[n], &v[n]) != EOF) {
        n++;
    }

    printf("No    時間[s]    電圧[V]\n");

    int count = 0;
    double last_peak_time = -100.0;

    for (int i = 1; i < n - 1; i++) {
        double diff1 = v[i] - v[i-1];
        double diff2 = v[i+1] - v[i];

        if (diff1 > 0 && diff2 < 0 &&
            v[i] > 3.5 &&
            (t[i] - last_peak_time) >= 0.5) {

            count++;
            printf("%d     %.2f       %.2f\n", count, t[i], v[i]);

            last_peak_time = t[i]; 
        }
    }

    printf("ピーク数: %d\n", count);

    return 0;
}