#m,n,k=list(map(int,input().split())) #n=int(input()) for a in range(1,23): for b in range(1,23): for c in range(1,23): for d in range(1,23): if b-a==c-b==d-c and a*b*c*d==880 and a<b<c<d: print(a,b,c,d) /************************************************************** Problem: 1251 User: admin Language: Python Result: Accepted Time:80 ms Memory:34480 kb ****************************************************************/