#include<stdio.h>
#include<algorithm>
using namespace std;
int n,m,k,a[22][22],fail,q,i,j,M[22222][22],fi;
char dump[1025];
long long R;
int main(){
	freopen("cowrun.in","r",stdin);
	freopen("cowrun.out","w",stdout);
	scanf("%d%d%d",&n,&m,&k);gets(dump);gets(dump);
	for(i=0;i<n;i++)for(j=0;j<8;j++)scanf("%d",&a[i][j]);
	for(i=0;i<(1<<n);i++)for(j=0;j<n;j++)if(i&(1<<j))M[i][j]=1;
	for(i=0;i<(1<<n);i++){ //FJ's choices
		fail=0;
		for(j=0;j<(1<<n);j++){
			R=0;
			for(q=0;q<n;q++){
				fi=((M[i][q]==0)<<2)+((M[j][q]==0)<<1);
				R+=(R*(long long)a[q][fi])+a[q][fi+1];if(R>=m)R%=m;
			}
			if(R>k&&(m-R)>k){fail=1;break;}
		}
		if(!fail){
			for(j=0;j<n;j++)if(i&(1<<j))putchar('T');else putchar('B');
			puts("");
			return 0;
		}
	}
	puts("something went wrong");
	return 0;
}
 

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