int main()
{
int i,j,x,y,a[7][7],k[7],b;
char c;
scanf("%d%c%d",&x,&c,&y);
for(i=0;i<=x-1;i++)
{for(j=0;j<=y-1;j++)
{scanf("%d",&a[i][j]);}}
for(i=0;i<=x-1;i++)
{
b=0;
k[i]=0;
for(j=1;j<=y-1;j++)
{if(a[i][k[i]]<a[i][j])
{k[i]=j;}}
for(j=0;j<=x-1;j++)
{if(a[j][k[i]]<a[i][k[i]])
{b=1;}}
if(b==0)
{printf("%d+%d",i,k[i]);
break;}
}
if(b==1)
{printf("No");}
return 0;
}