push 72
outchar
push 111
outchar
push 119
outchar
push 32
outchar
push 109
outchar
push 97
outchar
push 110
outchar
push 121
outchar
push 63
outchar
push 32
outchar
push 2
readnum
push 0
push 1
dup
outnum
push 10
outchar
label 1
dup
push 1
swap
store
add
push 1
retrieve
swap
dup
outnum
push 10
outchar
push 2
retrieve
push 1
sub
dup
push 2
swap
store
jn 2
jump 1
label 2
exit