# PMAT-834 (HUNT-V26 #7): the zero-arg builtin constructors int()/str()/float()
# are Python's defaults 0/""/0.0, but emitted bare int()/str()/float() free calls
# (rustc E0425) mis-typed as i64. They now lower to the default literals.
# Cross-checked vs python3.
def probe() -> int:
n = int()
s = str()
for c in "abc":
s = s + c
f = float()
return n + len(s) + int(f + 4.0)