import math n= int(input()) s = 0 for a in range (1 , n + 1): f = True; for i in range (2,int(math.sqrt(a))+1): if a % i ==0: f = False; break; if f == True and a != 1: print(a, end = ' ') s += 1; if s == 5: print() s = 0; /************************************************************** Problem: 1064 User: admin Language: Python Result: Accepted Time:141 ms Memory:34480 kb ****************************************************************/