# your code goes here
#0JLQsNGB0LjQu9C10L3QutC+INCQ0YDRgtC10Lwg
 
 
#простезавдання_2_1
 
def progA(x,y):
    if x>y:
        return x-y
    else:
        return y-x
 
 
def progB(x,y):
    if x>y:
        print(x-y)
    else:
        print(x-y)
 
 
 
def progC(x,y):
    if x>y:
        print(f"{x} {y}")
    else:
        print(f"{y} {x}")
 
 
a = int(input())   
 
b = int(input())   
 
print(progA(a,b))
 
progB(a,b)
 
progC(a,b)
 
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