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Cod sursa(job #525963)
#include <cstdio>
#define file_in "lgput.in"
#define file_out "lgput.out"
#define mod 1999999973
long long A,B;
long long pow(long long a,long long b){
if (!b)
return 1;
if (b%2==0){
long long x=pow(a,b/2);
return (x%mod)*(x%mod);
}
else{
long long x=pow(a,b/2);
return (((x%mod)*(x%mod)%mod)*a)%mod;
}
}
int main(){
freopen(file_in,"r",stdin);
freopen(file_out,"w",stdout);
scanf("%lld %lld", &A, &B);
printf("%lld\n", pow(A,B));
return 0;
}