#include <cstdio>
#include <vector>
using namespace std;
int main()
{
int players, rounds, tmp, mx, mxIndex;
vector<int> playersPoints;
while (scanf("%d %d", &players, &rounds) != EOF)
{
playersPoints = vector<int>(players, 0);
for (int j = 0; j < rounds; ++j)
{
for (int i = 0; i < players; ++i)
{
scanf("%d", &tmp);
playersPoints[i] += tmp;
}
}
mx = playersPoints[players - 1];
mxIndex = players - 1;
for (int i = players - 1; i >= 0; --i)
{
if (playersPoints[i] > mx)
{
mx = playersPoints[i];
mxIndex = i;
}
}
printf("%d\n", mxIndex + 1);
}
return 0;
}