include <stdio.h>
int main() { long long n,k,j,i; scanf("%lld%lld",&n,&k); if(n%2==0) j=n/2; else j=n/2+1; if(k<=j) i=(k*2)-1; else i=(k-j)*2; printf("%lld\n",i); return 0; }
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int main() { long long n,k,j,i; scanf("%lld%lld",&n,&k); if(n%2==0) j=n/2; else j=n/2+1; if(k<=j) i=(k*2)-1; else i=(k-j)*2; printf("%lld\n",i); return 0; }
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In other words, hey guys gimme downvote pls.