#include <stdio.h>
 
int main(void) {
	int n,rate;
	scanf("%d",&n);
	scanf("%d",&rate);
	n=n*rate;
	double second[n];
	double v[n];
	int i;
	for(i=0;i<n;i++){
		scanf("%lf,%lf",&second[i],&v[i]);
		v[i] += 0.05;
		int syori;
		syori = (long)floor( v[i] * 10.0 );
		v[i] = syori / 10.0;
	}
	for(i=0;i<n;i++){
		if(v[i]>v[i+1]){
			if(v[i-1]<v[i]){
			printf("こぶができてるところの頂点は秒数%f電圧%f\n",second[i],v[i]);
			}
		}
	}
	return 0;
}
 

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MDAwLDMuOTU2MTM3CjIwLjMwMDAwMCw0LjEwNjM2OAoyMC40MDAwMDAsNC4wOTYxODMKMjAuNTAwMDAwLDQuMDUwMzQ5CjIwLjYwMDAwMCwzLjcxNDI0MAoyMC43MDAwMDAsMy4wMTQwMTEKMjAuODAwMDAwLDIuNjE2NzkwCjIwLjkwMDAwMCwyLjM4NzYyNQoK

22
10
0.000000,2.329060
0.100000,2.339245
0.200000,2.339245
0.300000,2.339245
0.400000,2.349430
0.500000,2.359616
0.600000,2.415634
0.700000,2.548041
0.800000,2.682994
0.900000,2.904521
1.000000,3.085307
1.100000,3.227899
1.200000,3.637851
1.300000,3.976507
1.400000,4.180210
1.500000,4.192941
1.600000,4.091090
1.700000,3.184612
1.800000,2.573504
1.900000,2.400356
2.000000,2.354523
2.100000,2.354523
2.200000,2.362162
2.300000,2.372347
2.400000,2.402902
2.500000,2.746651
2.600000,3.704054
2.700000,4.195488
2.800000,4.287154
2.900000,4.307524
3.000000,3.986692
3.100000,2.464013
3.200000,2.379986
3.300000,2.372347
3.400000,2.357069
3.500000,2.359616
3.600000,2.390171
3.700000,2.619337
3.800000,3.479981
3.900000,4.167479
4.000000,4.233682
4.100000,4.264237
4.200000,4.205673
4.300000,3.197344
4.400000,2.390171
4.500000,2.372347
4.600000,2.367254
4.700000,2.372347
4.800000,2.387625
4.900000,2.611698
5.000000,3.031835
5.100000,3.775350
5.200000,4.088544
5.300000,4.220951
5.400000,4.233682
5.500000,4.248960
5.600000,4.119099
5.700000,2.731373
5.800000,2.379986
5.900000,2.367254
6.000000,2.369801
6.100000,2.395264
6.200000,2.400356
6.300000,2.606605
6.400000,3.367945
6.500000,3.940859
6.600000,4.215858
6.700000,4.254052
6.800000,4.205673
6.900000,2.555680
7.000000,2.382532
7.100000,2.379986
7.200000,2.395264
7.300000,2.474198
7.400000,2.787392
7.500000,2.461467
7.600000,2.654985
7.700000,3.014011
7.800000,3.645490
7.900000,4.009609
8.000000,4.001970
8.100000,3.923035
8.200000,3.541092
8.300000,2.400356
8.400000,2.372347
8.500000,2.349430
8.600000,2.351977
8.700000,2.344338
8.800000,2.344338
8.900000,2.344338
9.000000,2.346884
9.100000,2.362162
9.200000,2.423273
9.300000,2.769568
9.400000,3.296649
9.500000,3.709147
9.600000,3.979053
9.700000,4.057988
9.800000,3.996877
9.900000,3.278825
10.000000,2.675355
10.100000,2.443643
10.200000,2.372347
10.300000,2.372347
10.400000,2.374893
10.500000,2.374893
10.600000,2.425819
10.700000,2.840864
10.800000,3.663314
10.900000,4.195488
11.000000,4.215858
11.100000,4.246413
11.200000,4.254052
11.300000,3.816091
11.400000,2.420726
11.500000,2.390171
11.600000,2.369801
11.700000,2.374893
11.800000,2.377440
11.900000,2.400356
12.000000,2.441097
12.100000,2.924891
12.200000,3.673499
12.300000,3.754980
12.400000,3.782989
12.500000,3.581833
12.600000,2.492022
12.700000,2.461467
12.800000,2.453828
12.900000,2.464013
13.000000,2.451282
13.100000,2.443643
13.200000,2.514939
13.300000,2.438550
13.400000,2.387625
13.500000,2.367254
13.600000,2.359616
13.700000,2.362162
13.800000,2.382532
13.900000,2.537856
14.000000,2.670262
14.100000,2.127904
14.200000,2.476745
14.300000,2.685540
14.400000,3.497805
14.500000,4.001970
14.600000,3.971415
14.700000,3.660768
14.800000,2.423273
14.900000,2.372347
15.000000,2.367254
15.100000,2.267949
15.200000,2.367254
15.300000,2.364708
15.400000,2.359616
15.500000,2.367254
15.600000,2.542948
15.700000,2.868873
15.800000,3.403593
15.900000,2.604059
16.000000,2.514939
16.100000,2.038784
16.200000,2.362162
16.300000,2.344338
16.400000,2.349430
16.500000,2.349430
16.600000,2.372347
16.700000,1.995497
16.800000,3.080214
16.900000,3.907757
17.000000,4.073266
17.100000,4.124192
17.200000,4.111460
17.300000,3.808452
17.400000,2.481837
17.500000,2.385078
17.600000,2.377440
17.700000,2.362162
17.800000,2.367254
17.900000,2.367254
18.000000,2.364708
18.100000,2.407995
18.200000,2.591328
18.300000,2.772114
18.400000,3.059844
18.500000,3.317019
18.600000,3.558916
18.700000,3.530907
18.800000,3.533453
18.900000,3.408685
19.000000,2.896882
19.100000,2.423273
19.200000,2.379986
19.300000,2.369801
19.400000,2.364708
19.500000,2.362162
19.600000,2.354523
19.700000,2.362162
19.800000,2.392717
19.900000,2.634614
20.000000,3.138779
20.100000,3.515629
20.200000,3.956137
20.300000,4.106368
20.400000,4.096183
20.500000,4.050349
20.600000,3.714240
20.700000,3.014011
20.800000,2.616790
20.900000,2.387625