'''
a=5
b=10

print('a=',a,end=',',sep='')
print('b=',b,sep='')
print('a+b=',a+b,end=',',sep='')
print('a-b=',a-b,end=',',sep='')
print('a*b=',a*b,sep='')

print('a=',a,', b=',b,sep='')
print('a+b=',a+b,', a-b=',a-b,', a*b=',a*b,sep='')

hoten=input('Chao ban, ban ten gi? ')
print('Hi',hoten,'dep trai',)
'''
a=int(input('a= '))
b=int(input('b= '))
print('a+b=',a+b,end='', ',sep='')
print('a-b=',a-b,end='', ',sep='')
print('a*b=',a*b,sep='')

234567890-
393daf0e181f20398c28f718dda93276f5d8e380
'''
a=5
b=10

print('a=',a,end=',',sep='')
print('b=',b,sep='')
print('a+b=',a+b,end=',',sep='')
print('a-b=',a-b,end=',',sep='')
print('a*b=',a*b,sep='')

print('a=',a,', b=',b,sep='')
print('a+b=',a+b,', a-b=',a-b,', a*b=',a*b,sep='')

hoten=input('Chao ban, ban ten gi? ')
print('Hi',hoten,'dep trai',)
'''
a=int(input('a= '))
b=int(input('b= '))
print('a+b=',a+b,end='', ',sep='')
print('a-b=',a-b,end='', ',sep='')
print('a*b=',a*b,sep='')

234567890-