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#include <stdio.h> long long FME(int base, int power, int mod){ if(base==0){ return 0; } if(power==0){ return 1; } long long res; if(power%2==0){ res = FME(base, power/2, mod); res = (res*res)%mod; }else{ res = base%mod; res = (res*FME(base, power-1, mod)%mod)%mod; } return ((res+mod)%mod); } int main(){ int tc; scanf("%d",&tc); while(tc--){ int a,b; scanf("%d %d",&a,&b); printf("%lld\n", FME(2,a,1000000007)*FME(3,b,1000000007)%1000000007); } }
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