#For loop
#for x in range(5):
 #   print("zohaib")

#Table 
#for x in range(1,11):
#    print("2 x "+str(x)+"="+ str(2*x))
#counting in single line
#for x in range(1,11):
#    print(x,end="")
#for x in range(1,6):
#    print(x*"*")
#for x in range(0,101):
#    if((x%2)==0):
#        print(x, end=" ")
#for x in range(51):
#    print(x*2, end=" ")
#for num in range(0, 101, 2):
#    print(num,end=" ")
#take a number input and check weather it is prime or not
num = input()

